Supertech +2.5mm oversize black-nitrided intake valves for Mazda/Ford Duratec 2.0L/2.3L engines are supplied as a set of eight. The +2.5mm sizing provides the larger valve option needed after head machining or for particular service fits. Packaged to replace all intake valves on a compatible Duratec engine, this set matches the oversize requirements stated in the product description.
Supertech Mazda/Ford Duratec 2.0L/2.3L Black Nitrided Intake Valve - +2.5mm Oversize -Set of 8